The Rein Family Foundation Inc

Private foundation · Grantmaker New Canaan, CT EIN: 06-1566994

The Rein Family Foundation Inc is a private foundation based in New Canaan, Connecticut. It supports other 501(c)(3) organizations through contributions and states that it does not conduct direct charitable activities.

The Rein Family Foundation Inc at a glance

In short: The Rein Family Foundation Inc gave $428K across 34 grants in 2025 (avg $13K), mostly in Massachusetts. 19% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$427,500
+5.0% vs 2024
Grants made (2025)
34
+21.4% vs 2024
Average grant
$12,574
-13.5% vs 2024
Median grant
$4,250
Total assets
$1,308,460
+8.4% vs 2024
New grantees (estimate)
19% first-time grantees (6 of 32, 2025)
Primary geography
Massachusetts (75% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to The Rein Family Foundation Inc

Accepts unsolicited proposals
No
How to Apply

The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations.

Contact

Mailing address: 174 Turtle Back Road, New Canaan, CT 06840
Phone: (203) 722-7400

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who The Rein Family Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Nantucket Conservation Foundation: $260K across 2 grantsNantucket ConservationFoundation$260K · 2 grantsNantucket Community Sailing: $30KNantucket Community Sailing$30KCongregational Church of New Canaan: $15KCongregational Church of NewCanaan$15KCleveland Clinic Foundation: $15KCleveland Clinic Foundation$15KDarden School Foundation: $13K across 2 grantsDarden School Foundation$13K · 2 grantsNantucket Cottage Hospital: $10KNantucket Cottage Hospital$10KWake Forest University: $8KWake Forest University$8KJupiter Island Medical Center Found: $5KJupiter Island Medical CenterFound$5KA Safe Place: $5KA Safe Place$5KNantucket Golf Club Foundation: $5KNantucket Golf Club Foundation$5K

The largest 2025 recipient was Nantucket Conservation Foundation ($260K across 2 grants). Together the top 10 received $365K.

Grant Size Distribution

126 grants across all recorded years

124<$50K$50–100K$100–250K2$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 124 grants of 126 (98%).

Geographic Focus

Where this funder awards grants

In 2025, Massachusetts organizations received 75% of grant dollars, followed by Connecticut at 8%, Florida at 4%, Ohio at 4%, and Virginia at 3%. Listed recipients also included organizations in North Carolina and California.

Grant Distribution by State

10states

Share of 2025 grant dollars across all 34 itemized grants.

Cities

NantucketNew CanaanSan FranciscoCharlottesvilleOaklandPalm BeachWinston-SalemClevelandJupiterNewportBedfordNew YorkNorth Palm BeachSiasconsetStamfordConcordNatucketPurchaseRichmondSan Quentin

Is The Rein Family Foundation Inc open to new grantees?

19%

first-time grantees, 2025

In 2025, 6 of 32 grantees (19%) were first-time recipients. First grants averaged $3K; repeat grants $16K. How we count

Medians: $4K first-time, $4K repeat.

  • 72% of 2025 grantees were also funded in 2024. Method
  • Giving grew 251% from 2022 to 2025. Method
  • In 2025 it paid out 242% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K15 grants2019 11 grants2020 17 grants2021 19 grants2022 28 grants2023 28 grants2024 34 grants2025

From 2019 to 2025, annual grant giving ranged from $84K (2019) to $428K (2025). In 2025 it made 34 grants totaling $428K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Nantucket Conservation Foundation Nantucket, MACapital Campaign$250,000
Nantucket Community Sailing Nantucket, MAGeneral Purpose$30,000
Congregational Church of New Canaan New Canaan, CTGeneral Purpose$15,000
Cleveland Clinic Foundation Cleveland, OHGeneral Purpose$15,000
Nantucket Conservation Foundation Nantucket, MAGeneral Purpose$10,000
Nantucket Cottage Hospital Nantucket, MAGeneral Purpose$10,000
Darden School Foundation Charlottesville, VAGeneral Purpose$10,000
Wake Forest University Winston-Salem, NCGeneral Purpose$7,500
Jupiter Island Medical Center Found Jupiter, FLGeneral Purpose$5,000
A Safe Place Natucket, MAGeneral Purpose$5,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$1,308,460$539,449$437,292$427,50034$427,500$264,696$176,490
2024$1,206,513$743,655$411,969$407,05028$407,050$405,581$153,664
2023$1,218,087$97,538$141,522$137,33328$137,333$47,250$133,276
2022$1,234,869$62,826$126,431$121,73319$121,733$39,663$133,721
2021$1,296,176$1,107,933$113,713$109,83317$109,833$53,323$111,016
2020$1,240,228$87,213$98,016$94,00011—$41,161$86,682
2019$1,271,031$67,484$87,303$84,00015—$41,688$87,685

Under IRS private-foundation payout rules, The Rein Family Foundation Inc reported a distributable amount of $176K for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

The foundation’s stated primary purpose is to support other 501(c)(3) organizations through contributions. Its grants show support for varied organizations and purposes, including a capital campaign and general-purpose funding.

Among the grantees, Nantucket Conservation Foundation describes its work as protecting and stewarding land and coastal shoreline, conserving Nantucket’s natural resources, and conducting ecological research. Nantucket Community Sailing says it engages people of all ages in sailing and teaches life and leadership skills while fostering respect for the marine environment. A Safe Place describes its mission as working to eliminate domestic violence and sexual assault in the Nantucket community. These are the grantees’ missions, not stated missions of the foundation.

Grantmaking

In filing year 2025, the foundation reported 34 grants totaling $427,500. Grants ranged from $1,000 to $250,000, with a median of $4,250.

The largest 2025 grants included $250,000 to Nantucket Conservation Foundation for a capital campaign, $30,000 to Nantucket Community Sailing for general purposes, and $15,000 each to Congregational Church of New Canaan and Cleveland Clinic Foundation for general purposes. Other notable grants included $10,000 each to Nantucket Conservation Foundation, Nantucket Cottage Hospital, and Darden School Foundation; $7,500 to Wake Forest University; and $5,000 each to Jupiter Island Medical Center Foundation, A Safe Place, Nantucket Golf Club Foundation, and Waveny Life Care Network.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Harry Rein and Susan Rein as trustees.

The Rein Family Foundation Inc's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Harry Rein

    Trustee

    On filings since 2019

    No compensation reported

  • Susan Rein

    Trustee

    On filings since 2019

    No compensation reported

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about The Rein Family Foundation Inc

How much does The Rein Family Foundation Inc give each year?

The Rein Family Foundation Inc gave $428K across 34 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $407K across 28 grants.

What is The Rein Family Foundation Inc's typical grant size?

The Rein Family Foundation Inc's median grant in 2025 was $4,250, and its average grant was $12,574, across 34 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Rein Family Foundation Inc that year got $3K on average.

Where does The Rein Family Foundation Inc give grants?

The Rein Family Foundation Inc gives mostly in Massachusetts: 75% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Connecticut (8%). The most frequent recipient cities were Nantucket, MA (7 grants), New Canaan, CT (7 grants), Charlottesville, VA (2 grants) and Palm Beach, FL (2 grants).

Does The Rein Family Foundation Inc give general operating support?

Yes: 97% of The Rein Family Foundation Inc's 2025 grants with a stated purpose (33 of 34) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are The Rein Family Foundation Inc's largest grantees?

The Rein Family Foundation Inc's largest 2025 grantees include Nantucket Conservation Foundation ($260,000 across 2 grants), Nantucket Community Sailing ($30,000) and Congregational Church of New Canaan ($15,000), according to its 2025 IRS Form 990-PF. Together they received 71% of its itemized 2025 grant dollars.

How large is The Rein Family Foundation Inc?

The Rein Family Foundation Inc reported $1.3M in total assets on its 2025 IRS Form 990-PF. It paid out $428K in qualifying distributions that year, against a required minimum of $176K (roughly 5% of its investment assets).

What does The Rein Family Foundation Inc fund?

The foundation’s stated primary purpose is to support other 501(c)(3) organizations through contributions. Its grants show support for varied organizations and purposes, including a capital campaign and general-purpose funding. See mission & focus areas ↑

How do I apply for a grant from The Rein Family Foundation Inc?

The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is The Rein Family Foundation Inc's EIN?

The Rein Family Foundation Inc's EIN (Employer Identification Number) is 06-1566994. IRS Form 990 filing data is available on this page for 2019–2025.

Does The Rein Family Foundation Inc accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 7, 2025)
  2. Updated Form 990-PF for fiscal year 2025 (received by the IRS May 13, 2026)
  3. Added Form 990-PF for fiscal year 2019 (received by the IRS May 18, 2020)
  4. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 4, 2021)
  5. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 9, 2022)
  6. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 15, 2023)
  7. Updated Form 990-PF for fiscal year 2023 (received by the IRS April 29, 2024)

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Cite this profile

Grantable. (2026). The Rein Family Foundation Inc funder profile. GrantGraph. Retrieved October 5, 2026, from https://grantable.co/funders/the-rein-family-foundation-inc-morg_ebb6026dd64b451c8b6232bc74933b98

BibTeX
@misc{grantable_061566994_2026,
  author       = {{Grantable}},
  title        = {{The Rein Family Foundation Inc funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-rein-family-foundation-inc-morg_ebb6026dd64b451c8b6232bc74933b98},
  note         = {Accessed 2026-10-05. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from The Rein Family Foundation Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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